Cerapachys biroi FOREL, 1907 is a small, inconspicuous ant that has spread around the world through human commerce. To examine the worldwide distribution of C. biroi, we compiled and mapped specimen...

Cardiocondyla spp. are small, inconspicuous ants, native to the Old World. Until recently, Cardiocondyla mauritanica Forel, 1890 was a little known species recorded almost exclusively from the semi-...

The South America fire ant Solenopsis invicta Buren arrived in Mobile, Alabama by ship sometime before 1945. Since then, S. invicta has spread in North America across the southern US and northeastern...